<style>
    .box {
        border: 1px solid #ccc;
        width: 500px;
    }

    img {
        height: 200px;
        width: 200px;
    }

    .middle-box {
        margin-top: 20px;
    }

    .middle-box img {
        vertical-align: middle;
    }
</style>

<div>
    <div class="box">
        <img src="https://api.isoyu.com/bing_images.php" /><input type="button"
               value="搜索" /></div>

    <div class="box middle-box">
        <img src="https://api.isoyu.com/bing_images.php" /><input type="button"
               value="搜索" /></div>
</div>